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balu736 [363]
3 years ago
6

help me plz answere this question plz. . . Which statement best compares momentum and kinetic energy?. . answeres plz help:. . A

. if you dubble the velocity of an object, its kinetic energy doubles. but for the same increase in velocity, the momentum increases 4 times.. B. if you dubble the velocity of an object, its momentum doubles. but for the same increase in velocity, the momentum increases 4 times.. C. if you dubble the velocity of an object,its momentum and kinetic energy doubles. D. if you dubble the velocity of an object, its monentum and Kinetic energy dubbles. .
Physics
2 answers:
ad-work [718]3 years ago
6 0
B. if you double the velocity of an object, its momentum doubles. but for the same increase in velocity, the kinetic energy increases 4 times..
Nat2105 [25]3 years ago
3 0
The correct answer among the choices given above is option B. Momentum and kinetic energy are compared by the statement "If you double the velocity of an object, its momentum doubles. but for the same increase in velocity, the kinetic energy increases 4 times.
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prisoha [69]

0J

Explanation:

A wall that is acted upon by a force of 20N does not move suggests that no work has been done on the wall.

Work done is the force applied to move in the direction of the applied force.

   Work done = force x distance.

Since the distance is 0, the work done on the body too is zero.

Work is only done when forces moves a body through a given distance.

Learn more:

Work done brainly.com/question/9100769

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3 years ago
Riders on a ferris wheel move in a circle with a speed of 4.0 m/s. As they go around, they
Vanyuwa [196]
Answer: D = 16m

Explanation: given values: a = 2 m/s2, v = 4 m/s
In this case we have to determine the diameter of the Ferris wheel.
Diameter of circle is given as: D = 2.r.
First we have to find radius of wheel. The best way to find that is using the centripetal acceleration equation: a = v2/r
Plug in values in above equation to find radius: 2 m/s2 = (4 m/s)2/r 2 m/s2 = (16 m2/s2)/r r = (16 m2/s2)/2 m/s2
r = 8.0m
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2 years ago
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D. infinitely extended in all directions

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A semi infinite solid is infinitely extended in every direction. It has a single surface and can extend when heat is applied.

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It is also expands as heat is applied because its thickness is negligible.

This idealized body is used for earth, thick wall, steel piece of any shaped quenched rapidly etc indetermining variation of temperature near its surface & other surface being too far to have any impact on the region in short period of time since heat doesn’t have sufficient time to penetrate deep into body thus thickness can be neglected

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